Window-closing device.



H. J. LINSE.

WINDOW CLOSING DEVICE.

APPLICATION FILED OCT. 29. 1915.

Patented May 23, 1916.

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HARRY J. LINSE, OF BROOKLYN, NEW YORK.

WINDOW-CLOSING DEVICE.

To all whom it may concern:

Be it known. that I, HARRY J. LINSE, a citizen of the United States, and resident of Brooklyn, county 'of Kings, city and State of New York, have invented certain new and useful Improvements in Window- Closing Devices, of which the following is a specification.

This invention relates to an automatically acting device for closing windows, doors or the like and it has for an object the provision of a simple and inexpensive device by which an open door, window, or the like will be automatically closed upon the development of certain atmospheric conditions in its vicinity.

For further comprehension of the invention'reference will be had to the following description and the accompanying drawings and to the appended claims in which the novel features of the invention are particularly pointed out.

Referring now to the drawings: Figure 1 is an elevation of the device showing itapplied to a window. Fig. 2 is a plan view thereof. Fig. 3 is a vertical section, the view being taken on the line 33 of Fig. 4. Fig. 4 is a vertical section at right angles to Fig. 3 and taken on the line H of the latter figure, additional parts being broken away to show the interior construction.

In the drawings 1 represents the sash of a window of the ordinary vertically sliding type which is guided in the usual side memhers 2 of the window frame, the sill of the window being indicated at 3.

The window closing device is preferably mounted upon the sash 1 and as here shown comprises a circular open-backed casing 4 having diametrically extending ears 5 for attachment to the sash, key-hole slots 5 being provided in the ears to permit of ready attachment to or detachment from the sash, the slots taking over screws 6 screwed into the sash.

Inclosed within the casing 4 is a drum 7 which is loosel mounted on a pintle 8 secured to the ront face of the casing by means of a nut 9 screwed upon the reduced, threaded end 8' of the pintle which projects through an aperture 10 in the casing, the opposite end of the pintle having a flange 11 which spaces the drum from the face of the sash 1. The pintle is secured against rotation by suitable means as the pin 12 fixed in, and extending transversely through Specification of Letters Patent.

Application filed October 29, 1915.

Patented May 23, 1916.

Serial N 0. 58,664.

the reduced end 8' and engaging at its proecting ends in slots 13 cut in opposite sides of the aperture 9.

The drum 7 is adapted to be rotated by a clock spring 14 contained therein and secured at one end thereto, as indicated at- 15, and at its opposite end in any suitable manner to the pintle 8.

Attached at one end to the drum 7, upon which it is adapted to wind, is a flexible member here shown as a cord 16 which leads downwardly through an opening 17 in the circular wall of the casing land is provided on its free end with a loop or eye 18 by means of which it may be attached to a suitable device, such as the hook 19, on the window sill 3 or other fixed part. When the spring is unwinding it winds the cord upon the drum and when the drum is rotated by pulling on the cord it winds the spring, as will be readily understood.

Upon the face of the drum adjacent the front of the casing are suitably formed one or more lugs 20 having rounded or beveled sides adapted to bear against the beveled face of a locking pawl 21 pivoted on an arm 22, which is pivoted in turn at one end,

as by the stud 28, on the front wall of the Y casing 4. The free end of the arm is turned outwardly as at 22' through a slot 24 in the casing concentric to the pivot 23. Upon the pawl 21 is a finger 21' which engages a stop 25 on the arm 22 to limit rotation of the pawl in one direction. The pawl is yieldingly held in engagement with the stop 25 by means of a spring 26 secured at one end to the stud 23 and bearing at its other end against the pawl.

When the arm 22 is at the inner end of the slot 24 the pawl 21 is in the path of the stop lugs 20 on the drum, the arm being retained in this position by means whose functioning is subject to atmospheric conditions, that is to say, by means which will release the arm upon the development of certain atmospheric conditions.

In the application of the invention as herein shown to an ordinary window the out-turned end of arm 22 has secured thereto one end of a strip or fuse 27 of paper, or other material which will be weakened by moisture, the opposite being attached to a fixed post 28 on the casing 4, the arm and post being provided with studs, 29 and 30 respectively, to serve as means of attachment.

To set the device the cord 16 is attached to the hook 19 on the sill and the arm 22 secured by the strip 27 in its inner position. The window is then opened, winding up spring 15. The drum is permitted to rotate freely in a winding direction b the yielding of pawl 21 but movement 0 the lugs 20 in an opposite direction past the pawl is prevented by enga ement of the finger 21' with stops 25 unti the arm 22 is released when the beveled surfaces on the stop-lug and pawl will act as cams and throw the arm outwardly.

It will be obvious that rain falling on the window and wetting the strip or fuse 27 will weaken it sufiiciently to allow the arm 22 to be thrown outwardly by the cam action just described. The spring 15 will then rotate the drum, winding the cord 16 on the latter and closing the window.

It will be apparent that, if desired, the device proper mlght be mounted on the sill 3, or other fixed part, and the free end of the flexible member 16 attached to the win dow sash or other part to be moved. It will also be apparent that fuses of diflerent material may be used when the device is to operate under difl'erent conditions. For illustration, if it is desired.to use the device to close a fire door a fuse can be provided which will release the arm 22 when weakened by the heat of the fire; or a fuse may be provided which is subject to both heat and moisture, as may be desired.

As many changes could be made in the above construction and many apparently widely different embodiments of my invention designed without departing from the scope of the appended claims, I intend that all matter contained in the above description 'or shown in the accompanying drawings shall be interpreted as illustrative merely of an operative embodiment of my invention and not in a limiting sense.

I claim:

1. A device of the class described, comprising, a casing adapted for attachment to one of a pair of parts, one of which is to be moved, a spring-driven drum rotatably mounted in the casing, a flexible member received at one end on the drum and adapted for attachment at its opposite end to the otherof said pair of parts, a locking arm pivoted on the casing, co-acting stopmembers on said drum and arm whereby the drum is held against rotation, one of said I stop-members consisting of a spring pressed pawl pivoted upon said arm and normally held in engagement with the stop-member on the drum, said pawl being adapted to yield independently of said arm to allow free movement of the drum in a direction to wind the driving spring thereof, and a link, whose functioning is subject to atmospheric conditions, adapted to retain for attachment at its opposite end to the.

other saidpair of parts, a locking arm 1voted on the casing, co-acting stop-mem rs 'on said drum and arm whereby the drum is held against rotation, one of said stopmembers consisting of a spring-pressed pawl pivoted upon said-arm and normally held in engagement with the stop-member on the drum, said pawl being adapted to yield independently of said arm to allow free movement of the drum in a direction to wind the driving spring thereof, and a link, whose functioning is subject to atmospheric conditions, secured at one end to said casing and at its opposite end to said arm whereby the latter 1s held in position with the said co-acting stop-members in engagement.

3. A device of the class described, comprisin a casing adapted for attachment to one o a pair of parts, one which is to be moved, a spring-driven drum rotatably mounted in the casing, a flem'ble member received at one end on the drum and adapted for attachment at its opposite end to the other of said pair of parts, a locking arm lvoted on the casing, co-acting stop-memrs on said drum and arm whereb the drum is held against rotation, one 0 said members consisting of a spring-pressed pawl pivoted upon said arm and normally held in engagement with the stop-member on the drum, said pawl being adapted to yield independently of said arm to allow free movement of the drum in a direction to wind the driving-spring thereof, said stop members having engaging cam faces whereby the said driving-spring will cause the arm to move outwardly when released to disengage stop-members, and a link, whose functioning is subject to atmospheric conditions, secured at one end to said casing and at its opposite end to said arm whereby the.latter is held in position with the said co-acting stop-members in en agement.

4. A device of the class descri d, comprising, a circular casing having diametrically extending ears whereby it may be removably attached to one of a pair of parts, one of which is to be moved, a springdriven drum rotatably mounted in the casing, a flexible member secured at one end to the drum and adapted for attachment at its opposite end to the other of said pair of parts, a locki ng arm lpivoted on the easing co-actmg stop-mem ers on said drum an arm whereby the drum is held against rotation, one of said stop-members consisting of a spring-pressed pawl pivoted upon said arm and normally held in engagement with the stop-member on the drum, said 5 pawl being adapted to yield independently thereof to allow free movement of the drum in a direction to wind the driving spring of the latter, said stop-members having engaging cam faces whereby the said driv- 1 ing spring will cause the arm to move outwardly when released to disen age the stopmembers, and a link, whose unctioning 1s subject to atmospheric conditions, secured at one end to said casing and at its opposite end to said arm whereby the latter is held in position with the said stop-members in engagement.

Signed at the city, county and State of New York, this 25th da of October 1915.

HAimY J. LInsE. 

